-
1Digital revistaSCIELO
-
2by Li Shuling (Henan Agricultural Univ., Zhengzhou (China). Dept. of Forestry), International Poplar Commission eng 1-4 Oct 1996 Sess.20 Budapest (Hungary), Zhang Yujie, An Shiyou, Bach, I. (ed.), Commission Internationale du Peuplier fre 1-4 Oct 1996 Sess.20 Budapest (Hungary), Comision Internacional del Alamo spa 1-4 Oct 1996 Sess.20 Budapest (Hungary)
Published 1996Texto bibliotecaFAO IT